body {
    background-color: #191a20;
    margin: 0;
    padding: 0;
    font: 12px/1.5 PingFangSC-Regular, Helvetica, Arial, Microsoft Yahei, sans-serif;
}
* {
    list-style: none;
    margin: 0;
    padding: 0;
}
#header{
    height: 64px;
    width: 994px;
    margin: 0 auto;
}
/* logo */
#logo {
    height: 64px;
    width: 110px;
    /* border: 1px solid white; */
    display: flex;
    float: left;
    align-items: center;
}
#logo > img {
    height: auto;
    width: 110px;
    
}
/* 搜索区域 */
#clear {
    height: 64px;
    width: 700px;
    float: right;
    align-items: center;
    display: flex;
    /* border: 1px solid red; */
    justify-content: space-around; 
}
/* 搜索框 */
.sc {
height: 36px;
width: 320px;
background-color: rgba(255, 255, 255, 0.18);
border-radius: 4px;
align-items: center;
display: flex;
position:relative ;
}
.sc > input {
    margin-left: 12px;
    width: 141px;
    background: transparent;
    border: 0;
    outline: 0;
    color: white;
}
.sc > input::-webkit-input-placeholder {
    color: rgba(255, 255, 255, 0.7)
}
.sc > input:hover::-webkit-input-placeholder {
    color: white;
}
/* 热搜榜 */
.hot {
height: 36px;
width: 59px;
align-items: center;
justify-content: center;
display: flex;
font-size: 14px;
color: rgba(255, 255, 255, 0.6);
}
.hot > img {
    width: 10px;
    height: auto;
    margin-right: 3px;
    
}
/* 分割线 */
.shr {
    height: 20px;
    width: 1px;
    margin: 0 10px;
    background:linear-gradient(transparent, rgba(255,255,255,0.2), transparent);
}
/* 搜全网 */
.sall {
    width: 87px;
    height: 36px;
    align-items: center;
display: flex;
cursor: pointer;
}
.sall > span {
    color: #16e067;
    font-size: 14px;
}
.sall > img {
    width: 21px;
    margin-right: 4px;
    height: auto;
}
/* 下拉列表 */
.sc > .list {
    height: 361px;
    width: 320px;
    position: absolute;
    top: 36px;
    background-color: rgba(#121318, 0.9);
    display: none;
}
.listup {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    line-height: 32px;
    margin: 3px 0 0 15px;
}
.list li {
    line-height: 32px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    /* border: 1px solid white; */
    display: flex;
    align-items: center;
    cursor: pointer;
}
.list li > span:nth-of-type(1)/* :first-child*/ { 
    width: 18px;
    height: 18px;
    background-color:#343537 ;
    border-radius: 2px;
    display: inline-block;
    text-align: center;
    line-height: 18px;
margin: 0 10px 0 15px;
}
.list li:nth-child(-n+3) > span:nth-child(1)/* :first-child*/ {
    background-color:#16e067 ;
}
.list li:hover {
    background-color:#444444 ;

}
.list li:hover > span:nth-child(2) {
    color:#00cc4c;

}
.sc >input:focus ~ .list {
    display: block;
}
/* 图标 */
#tubi {
    height: 36px;
    width: 284px;
    border: 1px solid white;
}
/* 登录 */
#denglv {
    height: 36px;
    width: 66px;
    border: 1px solid white;
}